:root{--blue:#1b4eaa;--deep:#163c7e;--pale:#eef3fb;--border:#d9e1ef;--ink:#29333f}*{box-sizing:border-box}body{margin:0;background:#f7f8fb;color:var(--ink);font:17px/1.65 system-ui,sans-serif}header{background:#fff;border-bottom:3px solid var(--blue);padding:22px 5%;display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap}.brand{font-size:26px;font-weight:700;letter-spacing:2px;text-decoration:none;color:var(--deep)}.brand small{display:block;font-size:14px;font-weight:400;letter-spacing:0;color:#626b76}main{max-width:1100px;margin:auto;padding:30px 24px}.narrow{max-width:650px}h1{font-size:clamp(30px,4vw,44px);line-height:1.2}h2{font-size:24px}h3{font-size:19px}.cards{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.card,section{background:#fff;border:1px solid var(--border);padding:24px;border-radius:16px;margin-bottom:20px}.panel{background:var(--pale);padding:20px;border-radius:12px;margin:18px 0}.row{display:flex;gap:12px;align-items:center;flex-wrap:wrap;margin:14px 0}button,.button{display:inline-block;padding:12px 18px;background:var(--blue);color:white;border:0;border-radius:9px;font:inherit;cursor:pointer;text-decoration:none}button:disabled{opacity:.5;cursor:wait}.secondary{background:var(--pale);color:var(--deep)}label{display:block;margin:14px 0;font-weight:600}input,textarea,select{display:block;width:100%;font:inherit;padding:10px;border:1px solid #b7c7e1;border-radius:8px;margin:6px 0}input[type=checkbox]{display:inline-block;width:auto;margin-right:10px}textarea{min-height:180px;resize:vertical}.muted{color:#626b76;font-size:14px}.error{color:#8e2b2b}a{color:var(--blue)}button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline:3px solid var(--blue);outline-offset:3px}audio{width:100%;margin:12px 0}.pre{white-space:pre-wrap;overflow-wrap:anywhere;padding:16px;background:#f6f8fd;border-radius:8px}footer{text-align:center;padding:30px;font-size:13px;color:#626b76}.tag{display:inline-block;padding:3px 10px;border-radius:15px;background:var(--pale);color:var(--deep);font-size:14px}.credentials{border:2px solid var(--blue);padding:20px;background:#fff;overflow-wrap:anywhere}#notice:not(:empty){padding:15px;background:var(--pale);border-radius:10px}details{margin:15px 0}summary{cursor:pointer;font-weight:600}@media(max-width:700px){.cards{grid-template-columns:1fr}main{padding:20px 14px}section,.card{padding:18px}header{padding:18px}}